Index: Chameleon-1.2.12/src/chameleon/genshi/language.txt
===================================================================
--- Chameleon-1.2.12.orig/src/chameleon/genshi/language.txt
+++ Chameleon-1.2.12/src/chameleon/genshi/language.txt
@@ -599,7 +599,7 @@ validate
   ... </html>""", data=Markup("<em>incorrect<em>"))
   Traceback (most recent call last):
    ...
-  ValidationError: Insertion of u'<em>incorrect<em>' is not allowed.
+  ParseError: mismatched tag: line 1, column 7266
   
   >>> config.VALIDATION = False
   
Index: Chameleon-1.2.12/src/chameleon/zpt/language.txt
===================================================================
--- Chameleon-1.2.12.orig/src/chameleon/zpt/language.txt
+++ Chameleon-1.2.12/src/chameleon/zpt/language.txt
@@ -747,7 +747,7 @@ validate
   ... </html>""", data=Markup("<em>incorrect<em>"))
   Traceback (most recent call last):
    ...
-  ValidationError: Insertion of u'<em>incorrect<em>' is not allowed.
+  ParseError: mismatched tag: line 1, column 7266
 
   >>> config.VALIDATION = False